Encampment, Wyoming: Affiliated Writers of America. 1994. dj. Hardcover first edition - The first group biography of the Earp family, perhaps the notorious family in Western history. Based on 20 years of research, this focuses on especially on their time Tombstone and Prescott, Arizona, although the history of their crisscrossing America, starting over and over again in various states, is amazing in itself.. Photographs, bibliography, index. 261 pp. ISBN: 1-879915-103.